Home / 14,352.39-19,806.89-8,064.75

Finding the Fourth Proportional to 14,352.39, 19,806.89 and 8,064.75

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Solution

The fourth proportional to 14,352.39, 19,806.89 and 8,064.75 is: 11,129.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,352.39 : 19,806.89 = 8,064.75 : x
  2. Step 2: Convert to fraction form
    14,352.39/19,806.89 = 8,064.75/x
  3. Step 3: Cross multiply
    14,352.39x = 19,806.89 × 8,064.75
  4. Step 4: Simplify right side
    14,352.39x = 159,737,575.80
  5. Step 5: Solve for x
    x = 159,737,575.80/14,352.39
  6. Step 6: Final answer
    x = 11,129.68

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.